Lanthanide contraction
[化] 镧系收缩
🧩 词语组成解析
n. 镧系元素\\n[化] 镧系元素; 镧系
contraction
[kən'trækʃən]
n. 收缩，缩减;[语]缩略，略体，缩写;（开支等）缩减;（分娩时）子宫收缩;
🗣️ 情景例句
He spends too much money on his hobbies.
他在爱好方面花了很多钱。
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则，如果在一年内符合各种使用规定，就可更换。
Mr. And Mrs. Green have stockings, too.
格林先生和格林夫人也有长统袜。